Cloned (Comment) | Organism |
---|---|
gene glkA, phylogenetic analysis, recombinant expression of His-tagged enzyme in Escherichia coli strain BL21(DE3) | Thermococcus litoralis |
gene pfkC, phylogenetic analysis, recombinant expression of His-tagged enzyme in Escherichia coli strain BL21(DE3) | Methanocaldococcus jannaschii |
phylogenetic analysis, recombinant expression of His-tagged enzyme in Escherichia coli strain BL21(DE3) | uncultured bacterium |
Crystallization (Comment) | Organism |
---|---|
purified enzyme mutant E72A, hanging drop vapor diffusion method, mixing of 0.002 ml of 8 mg/ml protein in 25 mM HEPES/NaOH, pH 7.8, 30 mM MgCl2, 20 mM fructose 6-phosphate, and 20 mM AMP with 0.002 ml of reservoir solution containing 18% PEG 3350 and 0.15 M NaI, 3 days at 18°C, X-ray diffraction structure determination and analysis at 2.61 A resolution, molecular replacement using the structure of Pyrococcus horikoshii ADP-PFK (PDB ID 3DRW) split into small and large domains as search models | uncultured bacterium |
Protein Variants | Comment | Organism |
---|---|---|
E72A | site-directed mutagenesis, the mutant shows reduced glucokinase and phosphofructokinase activities compared to wild-type enzyme | uncultured bacterium |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
D-glucose | - |
Methanocaldococcus jannaschii | |
D-glucose | - |
Thermococcus litoralis | |
additional information | enzyme TlGK is not significantly inhibited by D-fructose 6-phosphate | Thermococcus litoralis |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0011 | - |
D-glucose | pH 7.8, 40°C | Methanocaldococcus jannaschii | |
0.004 | - |
D-glucose | pH 7.8, 40°C, wild-type enzyme | uncultured bacterium | |
0.044 | - |
D-glucose | pH 7.8, 40°C | Thermococcus litoralis | |
1 | - |
D-glucose | pH 7.8, 40°C, mutant E72A | uncultured bacterium |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | required | uncultured bacterium | |
Mg2+ | required | Thermococcus litoralis | |
Mg2+ | required | Methanocaldococcus jannaschii |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
ADP + D-glucose | uncultured bacterium | - |
AMP + D-glucose 6-phosphate | - |
? | |
ADP + D-glucose | Thermococcus litoralis | - |
AMP + D-glucose 6-phosphate | - |
? | |
ADP + D-glucose | Methanocaldococcus jannaschii | - |
AMP + D-glucose 6-phosphate | - |
? | |
ADP + D-glucose | Methanocaldococcus jannaschii ATCC 43067 | - |
AMP + D-glucose 6-phosphate | - |
? | |
ADP + D-glucose | Thermococcus litoralis ATCC 51850 | - |
AMP + D-glucose 6-phosphate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Methanocaldococcus jannaschii | Q58999 | - |
- |
Methanocaldococcus jannaschii ATCC 43067 | Q58999 | - |
- |
Thermococcus litoralis | Q7M537 | - |
- |
Thermococcus litoralis ATCC 51850 | Q7M537 | - |
- |
uncultured bacterium | - |
synthetic construct | - |
Purification (Comment) | Organism |
---|---|
recombinant His-tagged enzyme from Escherichia coli strain BL21(DE3) by nickel affinity chromatography, dialysis, and anion exchange chromatography | uncultured bacterium |
recombinant His-tagged enzyme from Escherichia coli strain BL21(DE3) by nickel affinity chromatography, dialysis, and anion exchange chromatography | Thermococcus litoralis |
recombinant His-tagged enzyme from Escherichia coli strain BL21(DE3) by nickel affinity chromatography, dialysis, and anion exchange chromatography | Methanocaldococcus jannaschii |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ADP + D-glucose | - |
uncultured bacterium | AMP + D-glucose 6-phosphate | - |
? | |
ADP + D-glucose | - |
Thermococcus litoralis | AMP + D-glucose 6-phosphate | - |
? | |
ADP + D-glucose | - |
Methanocaldococcus jannaschii | AMP + D-glucose 6-phosphate | - |
? | |
ADP + D-glucose | - |
Methanocaldococcus jannaschii ATCC 43067 | AMP + D-glucose 6-phosphate | - |
? | |
ADP + D-glucose | - |
Thermococcus litoralis ATCC 51850 | AMP + D-glucose 6-phosphate | - |
? | |
additional information | the enzyme also shows phosphofructokinase activity, a bifunctional AncPFK/GK ancestor enzyme | uncultured bacterium | ? | - |
- |
|
additional information | the enzyme from Methanococcus jannaschii also shows phosphofructokinase activity, a bifunctional MjPFK/GK | Methanocaldococcus jannaschii | ? | - |
- |
|
additional information | the glucokinase from Thermococcus litoralis shows no activity with fructose 6-phosphate | Thermococcus litoralis | ? | - |
- |
|
additional information | the enzyme from Methanococcus jannaschii also shows phosphofructokinase activity, a bifunctional MjPFK/GK | Methanocaldococcus jannaschii ATCC 43067 | ? | - |
- |
|
additional information | the glucokinase from Thermococcus litoralis shows no activity with fructose 6-phosphate | Thermococcus litoralis ATCC 51850 | ? | - |
- |
Synonyms | Comment | Organism |
---|---|---|
ADP-dependent glucokinase | - |
uncultured bacterium |
ADP-dependent glucokinase | - |
Thermococcus litoralis |
ADP-GK | - |
uncultured bacterium |
ADP-GK | - |
Thermococcus litoralis |
ancGK/PFK | - |
uncultured bacterium |
MjPFK/GK | - |
Methanocaldococcus jannaschii |
More | see also EC 2.7.1.146 | uncultured bacterium |
More | see also EC 2.7.1.146 | Methanocaldococcus jannaschii |
tlGK | - |
Thermococcus litoralis |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | - |
assay at | uncultured bacterium |
40 | - |
assay at | Thermococcus litoralis |
40 | - |
assay at | Methanocaldococcus jannaschii |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.24 | - |
D-glucose | pH 7.8, 40°C, wild-type enzyme | uncultured bacterium | |
0.3 | - |
D-glucose | pH 7.8, 40°C, mutant E72A | uncultured bacterium | |
5 | - |
D-glucose | pH 7.8, 40°C | Methanocaldococcus jannaschii | |
42 | - |
D-glucose | pH 7.8, 40°C | Thermococcus litoralis |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.8 | - |
assay at | uncultured bacterium |
7.8 | - |
assay at | Thermococcus litoralis |
7.8 | - |
assay at | Methanocaldococcus jannaschii |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
ADP | - |
Methanocaldococcus jannaschii | |
ADP | dependent on | uncultured bacterium | |
ADP | dependent on | Thermococcus litoralis |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
14 | - |
D-glucose | pH 7.8, 40°C | Thermococcus litoralis | |
97 | - |
D-glucose | pH 7.8, 40°C | Methanocaldococcus jannaschii |
General Information | Comment | Organism |
---|---|---|
evolution | consensus phylogenetic tree of the ADP-dependent sugar kinases family, evolutionary history of enzyme substrate affinity, reconstruction | uncultured bacterium |
evolution | consensus phylogenetic tree of the ADP-dependent sugar kinases family, evolutionary history of enzyme substrate affinity, reconstruction | Thermococcus litoralis |
evolution | consensus phylogenetic tree of the ADP-dependent sugar kinases family, evolutionary history of enzyme substrate affinity, reconstruction | Methanocaldococcus jannaschii |
additional information | molecular modeling, docking with D-glucose and D-fructose 6-phosphate, and molecular dynamics | uncultured bacterium |
additional information | molecular modeling, docking with D-glucose and D-fructose 6-phosphate, and molecular dynamics | Thermococcus litoralis |
additional information | molecular modeling, docking with D-glucose and D-fructose 6-phosphate, and molecular dynamics | Methanocaldococcus jannaschii |
kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
60 | - |
D-glucose | pH 7.8, 40°C, wild-type enzyme | uncultured bacterium | |
81 | - |
D-glucose | pH 7.8, 40°C, mutant E72A | uncultured bacterium | |
954.54 | - |
D-glucose | pH 7.8, 40°C | Thermococcus litoralis | |
4545.45 | - |
D-glucose | pH 7.8, 40°C | Methanocaldococcus jannaschii |